[INFO] updating cached repository hinohi/rust-iging
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hinohi/rust-iging
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hinohi/rust-iging" "work/ex/clippy-test-run/sources/stable/gh/hinohi/rust-iging"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hinohi/rust-iging'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hinohi/rust-iging" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hinohi/rust-iging"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hinohi/rust-iging'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50417b552b43e4fc4708a6371f1cf7ea268d743d
[INFO] sha for GitHub repo hinohi/rust-iging: 50417b552b43e4fc4708a6371f1cf7ea268d743d
[INFO] validating manifest of hinohi/rust-iging on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hinohi/rust-iging on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hinohi/rust-iging
[INFO] finished frobbing hinohi/rust-iging
[INFO] frobbed toml for hinohi/rust-iging written to work/ex/clippy-test-run/sources/stable/gh/hinohi/rust-iging/Cargo.toml
[INFO] started frobbing hinohi/rust-iging
[INFO] finished frobbing hinohi/rust-iging
[INFO] frobbed toml for hinohi/rust-iging written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hinohi/rust-iging/Cargo.toml
[INFO] crate hinohi/rust-iging has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting hinohi/rust-iging against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/hinohi/rust-iging:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cd87c110a90cf8496163671156dcaff0c9ec83ea78cd5647cfe37ba0bfddd775
[INFO] running `"docker" "start" "-a" "cd87c110a90cf8496163671156dcaff0c9ec83ea78cd5647cfe37ba0bfddd775"`
[INFO] [stderr]     Checking rust-ising v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:42:46
[INFO] [stderr]    |
[INFO] [stderr] 42 |             if de < 0 || rng.gen::<f64>() < (-de as f64 * beta).exp() {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: try: `f64::from(-de)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |         (enery as f64 / N as f64, mag as f64 / N as f64)
[INFO] [stderr]    |          ^^^^^^^^^^^^ help: try: `f64::from(enery)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:63:35
[INFO] [stderr]    |
[INFO] [stderr] 63 |         (enery as f64 / N as f64, mag as f64 / N as f64)
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: try: `f64::from(mag)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:36
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let energy = self.energy / self.sample as f64;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let energy2 = self.energy2 / self.sample as f64;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:105:44
[INFO] [stderr]     |
[INFO] [stderr] 105 |             ((energy2 - energy * energy) / (self.sample - 1) as f64).sqrt()
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:109:42
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let mag = self.magnetic_charge / self.sample as f64;
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:110:44
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mag2 = self.magnetic_charge2 / self.sample as f64;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:111:44
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let mag4 = self.magnetic_charge4 / self.sample as f64;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |             ((mag2 - mag * mag) / (self.sample - 1) as f64).sqrt()
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |     for step in 0..temp_step + 1 {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use: `0..=temp_step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:142:62
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let temperature = max_temp - (max_temp - min_temp) / temp_step as f64 * step as f64;
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^ help: try: `f64::from(temp_step)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:142:81
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let temperature = max_temp - (max_temp - min_temp) / temp_step as f64 * step as f64;
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^ help: try: `f64::from(step)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:42:46
[INFO] [stderr]    |
[INFO] [stderr] 42 |             if de < 0 || rng.gen::<f64>() < (-de as f64 * beta).exp() {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: try: `f64::from(-de)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |         (enery as f64 / N as f64, mag as f64 / N as f64)
[INFO] [stderr]    |          ^^^^^^^^^^^^ help: try: `f64::from(enery)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:63:35
[INFO] [stderr]    |
[INFO] [stderr] 63 |         (enery as f64 / N as f64, mag as f64 / N as f64)
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: try: `f64::from(mag)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:36
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let energy = self.energy / self.sample as f64;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let energy2 = self.energy2 / self.sample as f64;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:105:44
[INFO] [stderr]     |
[INFO] [stderr] 105 |             ((energy2 - energy * energy) / (self.sample - 1) as f64).sqrt()
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:109:42
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let mag = self.magnetic_charge / self.sample as f64;
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:110:44
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mag2 = self.magnetic_charge2 / self.sample as f64;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:111:44
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let mag4 = self.magnetic_charge4 / self.sample as f64;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |             ((mag2 - mag * mag) / (self.sample - 1) as f64).sqrt()
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.sample - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |     for step in 0..temp_step + 1 {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use: `0..=temp_step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:142:62
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let temperature = max_temp - (max_temp - min_temp) / temp_step as f64 * step as f64;
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^ help: try: `f64::from(temp_step)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:142:81
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let temperature = max_temp - (max_temp - min_temp) / temp_step as f64 * step as f64;
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^ help: try: `f64::from(step)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "cd87c110a90cf8496163671156dcaff0c9ec83ea78cd5647cfe37ba0bfddd775"`
[INFO] running `"docker" "rm" "-f" "cd87c110a90cf8496163671156dcaff0c9ec83ea78cd5647cfe37ba0bfddd775"`
[INFO] [stdout] cd87c110a90cf8496163671156dcaff0c9ec83ea78cd5647cfe37ba0bfddd775